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Deming regression and Bland‐Altman plot for GeneXpert® HCV (Xpert) and Roche Cobas Ampliprep‐Cobas TaqMan® HCV v2.0 (Roche) viral load values for 454 samples quantifiable on Roche for all genotypes. A, Deming regression plot and correlation. B, Bland‐Altman plot
